*{
	margin:0px;
	padding:0px;
}
div{
	width:70%;
	height:280px;
	margin:auto;
	
}
input{
	width:100%;
	height:100%;
	
}
select{
	width:100%;
	height:100%;
}
.buttondiv{
	width:20%;
	height:30px;
	margin:auto;
	border:1px solid black;
	margin-top:60px;
}
#tijiao{
	width:33%;
	height:100%;
	margin-left:150px;
}